Nocturnal birds flying home, plus, "that's an owl's WHAT?" Galapagos Islands, Genovesa, Tower Island.
Klaus's theory is that the birds are trying to detect the scent of their own nest to lead them home. Do you remember their name? jpmeyer@jpmeyer.com Also, scientists can tell what species are present on an island by analyzing the remnants an owl leaves behind. http://jpmeyer.com